Hammer



FIG. 1 is a perspective view of a hammer embodying the invention.

FIG. 2 is a left side view of the hammer shown in FIG. 1.

FIG. 3 is a right side view of the hammer shown in FIG. 1.

FIG. 4 is a front view of the hammer shown in FIG. 1; and,

FIG. 5 is a rear view of the hammer shown in FIG. 1.

The elements shown in broken lines are included for the purpose of illustrating portions of the hammer that form no part of the claim. 

We claim the ornamental design for a hammer, as shown and described. 